[Tangent alert: No photography/camera stuff in this post.] There’s a universe in a Petoskey stone. Growing up in Michigan, Petoskey stones were the holy grail of fossils. When I was a kid I could spot a Petoskey stone at 50 paces. My dad marveled at my Petoskey...

When folks ask, “How was your trip?” Where do I start? Where do I even begin? So I say, “Oh it was good … Fun.” We touched down at Heathrow. The customs agent at Heathrow asked me where we were headed and since I didn’t know I...